Major Flood
21 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
17 ft
Minor Flood
15 ft
Action Stage
13 ft
What Floods at Each Level
22 ft
Water levels will reach the low steel of the bridge on Highway 63
21 ft
The community of Little Eagle begins to experience some flooding
17 ft
Extensive flooding of pasture land begins as both banks of the river are overtopped
15 ft
Low-lying pasture and hay land along the river begins to flood
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 21, 2009 | 24.6 ft | 32,400 cfs |
| Mar 16, 2011 | 21.27 ft | 16,000 cfs |
| Mar 11, 1972 | 21.01 ft | 15,000 cfs |
About This Gauge
USGS Site
NWS LID
LIES2
River
Grand River (SD)
County
Corson, SD
Coordinates
45.6578°N, 100.8178°W
Get Flood Alerts for Grand River (SD)
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Grand River (SD) near Little Eagle?
The Grand River (SD) near Little Eagle gauge is maintained by USGS (site 06357800) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Grand River (SD) near Little Eagle?
The NWS-defined flood stage for Grand River (SD) near Little Eagle is 15 feet. Action stage begins at 13 feet. Moderate flooding starts at 17 feet, and major flooding at 21 feet.
How do I get alerts when Grand River (SD) rises?
Download StormCast free on Google Play, go to River Gauges, and add Grand River (SD) near Little Eagle to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Grand River (SD) near Little Eagle gauge located?
The gauge is located in Corson County, South Dakota at coordinates 45.6578°N, 100.8178°W. USGS site number: 06357800. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Upstream: Shadehill Reservoir
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- Gauge reading may be affected by ice.